About: http://webisa.webdatacommons.org/439697959

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, if exposed to corrosive environments such as seawater, they start showing degradation.
http://www.w3.org/ns/prov#wasQuotedFrom	sooperarticles.com